February 2026 in “Biomedicine & Pharmacotherapy” In this study, researchers developed EPO-derived peptides that enhanced hair growth by stimulating dermal papilla cells and increasing IGF-1 expression without triggering systemic erythropoietic effects in tested models, indicating a promising approach for treating hair loss.
37 citations
,
November 2019 in “Journal of Microbiology and Biotechnology” This study found that loliolide enhanced hair growth-related functions in 3D dermal papilla spheroids by activating AKT/β-catenin signaling pathways, with increased expression of related growth factors and genes.
This study found that recombinant human type XVII collagen (rhCOL17A1) promotes hair growth by activating the Wnt/β-catenin and SHH/GLI signaling pathways and increasing type XVII collagen expression, with significant effects observed in both cell and mouse models.
39 citations
,
January 2013 in “Indian Journal of Dermatology, Venereology and Leprology” This article discusses the role of growth hormone, insulin, and IGF-1 in acne development and highlights how diet and syndromic evidence support their involvement, but presents no new clinical findings.
5 citations
,
February 2023 in “Frontiers in Veterinary Science” This study found that ovine dermal papilla cells exhibit robust aggregation and alkaline phosphatase activity, regulated by Wnt/β-catenin signaling, providing insights for improving wool performance and hair regeneration therapies.
July 2026 in “Journal of Investigative Dermatology” This study uncovered that bimatoprost, a prostaglandin analog, promotes hair growth by activating hair follicle progenitor cells through two pathways: the PTGFR-MAPK signaling axis and an unexpected IGF1R-PCAD-AKT signaling axis, suggesting new potential targets for treating hair disorders.
February 2025 in “Applied Sciences” This study found that extracts from heterotropic cultures of Scenedesmus deserticola JD052 enhanced hair-inductive properties in human dermal papilla cells more effectively than photoautotrophic extracts, likely through activation of AKT/β-catenin signaling, despite similar loliolide content.
October 2023 in “Current Issues in Molecular Biology” In this study, researchers observed that the YH complex, made from Astragalus membranaceus and Cinnamomum cassia, promoted hair regrowth and increased hair shaft thickness in mice, potentially through increased growth factors and Wnt/β-catenin signaling, suggesting its use for treating various forms of hair loss.
November 2022 in “Journal of Investigative Dermatology” This study found that human scalp hair follicles produce neurohormones and responded to GHRH stimulation by prolonging hair growth, suggesting a functional peripheral HPS neuroendocrine signaling axis in the skin.
October 2022 in “International Journal of Molecular Sciences” This study found that collagen peptides from Mozambique tilapia significantly promoted hair regrowth and increased the proliferation of hair growth factors in vitro and in vivo, suggesting potential as supplements for hair loss prevention.
April 2018 in “Journal of Investigative Dermatology” This study found that 1550-nm Er:Glass fractional laser treatment significantly increased hair density and shaft diameter in patients with androgenetic alopecia, though the mechanism may not involve Wnt10A or IGF-1 expression.
8 citations
,
October 2020 in “International Journal of Molecular Sciences” This laboratory study found that nonanal, a plant scent compound, may stimulate growth factors and cell proliferation in human hair follicle dermal papilla cells, suggesting a cAMP-mediated mechanism.
February 2026 in “International Journal of Molecular Sciences” This study found that 3-hydroxypropionic acid improved the function of hair follicle cells under oxidative stress, suggesting potential as a treatment for stress-related hair loss.
2 citations
,
September 2004 in “Experimental Dermatology” This study found that VR1 activation in human hair follicles inhibited hair growth by suppressing proliferation and promoting apoptosis, suggesting VR1 plays an important role in hair growth regulation.
14 citations
,
July 2021 in “Biomolecules” This study found that Centipeda minima extract promotes hair growth by activating Wnt/β-catenin, ERK, and JNK signaling pathways in human hair follicle dermal papilla cells.
13 citations
,
October 2019 in “Oncology Reports” This review discusses the complex relationship between anabolic substances and colorectal cancer risk, reporting ambiguous findings on their carcinogenic properties, potential synergy with risk factors, and protective roles.
September 2016 in “Journal of Dermatological Science” This study found that protein extracts from embryonic skin can induce hair follicle neogenesis in mice by activating insulin/IGF signaling in adult fibroblasts.
7 citations
,
March 2018 in “Asian-Australasian journal of animal sciences” This study observed that the OCIAD2 and DCN genes in Liaoning cashmere goats have opposite effects on hair growth by interacting with the TGF-β signaling pathway, influencing follicle morphogenesis and periodic changes.
21 citations
,
September 2010 in “Cancer Prevention Research” This study suggests that IGFBP-2 may play a role in basal cell carcinoma development by mediating epidermal progenitor cell expansion in hair follicles with activated Shh signaling.
10 citations
,
December 2018 in “Journal of animal physiology and animal nutrition” This study found that heat stress in rex rabbits decreased hair follicle density and suppressed related signaling pathways, potentially affecting hair follicle development.
November 2005 in “Journal of Investigative Dermatology Symposium Proceedings” This review discusses the latest findings presented at the 4th Intercontinental Meeting of Hair Research Societies, covering advances in hair follicle biology, genetic bases for hair disorders, and potential new therapeutic approaches, but it reports no original study results.
5 citations
,
September 2010 in “Cancer Prevention Research” This perspective discusses Villani et al.'s findings on the role of the IGF regulatory protein Igfbp2 in basal cell carcinogenesis and highlights potential therapeutic and preventive targets, while raising questions about the cell of origin.
173 citations
,
November 2004 in “Seminars in Reproductive Medicine” This review discusses the physiological process of adrenarche, its impact on behavior and skeletal maturation, and its variability across sex and race, but reports no new clinical results.
30 citations
,
September 2016 in “Aging Cell” This study found that selenium deficiency in mice accelerated age-related conditions and metabolic decline but unexpectedly promoted longevity, suggesting low selenium levels might separate healthspan and lifespan.
314 citations
,
April 2010 in “Developmental Cell” This study found that in mice, inactivating beta-catenin in the dermal papilla reduces hair follicle progenitor proliferation and disrupts the hair cycle.
April 2025 in “Antioxidants” In this study, the researchers found that the water-soluble fraction of Rhus semialata gall extract and its component Penta-O-Galloyl-β-D-Glucose promoted hair growth in human dermal papilla cells, and clinical trials supported these findings, showing improved hair density and appearance compared to placebo.
January 2024 in “Molecules/Molecules online/Molecules annual” In this study, researchers identified eight compounds in Suaeda glauca and reported that its extract may improve hair loss by affecting VEGF, IGF-1 expression, and Wnt/β-catenin signaling, especially compound 4, in human cell models.
163 citations
,
April 2019 in “Nature Communications” This study found that mechanical skin stretching can stimulate hair stem cell proliferation and hair regeneration by activating a complex pathway involving WNT, BMP-2, and M2 macrophages.
32 citations
,
June 2015 in “PLOS ONE” This study demonstrated that topical oleuropein induced hair growth in mice by activating the Wnt10b/β-catenin signaling pathway and increasing expression of several growth-related genes in skin tissue.
25 citations
,
March 2017 in “Archives of Dermatological Research” This study suggests that sinapic acid may promote hair growth in human hair follicle dermal papilla cells by activating specific signaling pathways and inducing the expression of growth factors.